package com.example.rabbitorderconsumer.config;

import org.springframework.amqp.core.*;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @ClassName RabbitConfig
 * @Description TODO
 * @Auth ying.xiao
 * @Date 2021/6/29
 * @Version 1.0.0
 */
@Configuration
public class RabbitConfig {

    @Bean
    public Queue queue() {
        Map<String, Object> props = new HashMap();
        // 对于该队列中的消息，设置都等待10s
         props.put("x-message-ttl", 10000);
        props.put("x-dead-letter-exchange", "ex.go.dlx");
        // 设置该队列所关联的死信交换器的routingKey，如果没有特殊指定，使用原 队列的routingKey
         props.put("x-dead-letter-routing-key", "go.dlx");
        Queue queue = new Queue("q.go", true, false, false, props);
         return queue;
    }

    @Bean public Queue queueDlx() { Queue queue = new Queue("q.go.dlx", true, false, false); return queue; }

    @Bean public Exchange exchange() { DirectExchange exchange = new DirectExchange("ex.go", true, false, null); return exchange; }
    /*** 死信交换器 * @return */
    @Bean public Exchange exchangeDlx() { DirectExchange exchange = new DirectExchange("ex.go.dlx", true, false, null); return exchange; }

    @Bean public Binding binding() {return BindingBuilder.bind(queue()).to(exchange()).with("go").noargs(); }

    /*** 死信交换器绑定死信队列 * @return */
    @Bean public Binding bindingDlx() { return BindingBuilder.bind(queueDlx()).to(exchangeDlx()).with("go.dlx").noargs(); }
}
